The problem is there is no designe it was just pistol, pencil, plywood! The wood at the back was profiled (on the opening in the back for the cylinder and hammer, where the hammer sits at 1/2 cock to enable the cylinder to rotate, a bit more was removed)
http://i1067.photobucket.com/albums/...psfpmyu5kc.jpg
One side is of a different profile to allow for easyer reloading
http://i1067.photobucket.com/albums/...psnn0l0izk.jpg